{
  "manageEntity": {
    "action": "Repost",
    "entityId": "891649825",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6e15a4c48f18dbe4c04091bf95956419d71c5306a6b7a18f1cd5b3bc95049ffa",
    "signature": "0x1cbdf54f1a7615d49351fc48b3ccefd4c809fda5d07ed9a0aca475c5478c5fc34b67243e145efee6836c5a49a40eeff77a6620123ae616bdf1185d0caec12c231b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}